ffmpeg -i /Users/eros/Downloads/bj2024.mp4 -c:v copy -an /Users/eros/Downloads/bj2024-output.mp4
ffmpeg -i /Users/eros/Downloads/bj2024.mp4 -r 5 -f image2 foo-%05d.jpeg
ffmpeg -ss 00:00:00 -i /Users/eros/Downloads/bj2024-output.mp4 -t 00:03:17 -c:v copy -c:a copy /Users/eros/Downloads/bj2024-output-2.mp4
ffmpeg -an -i /Users/eros/Downloads/bj2024-output-2.mp4 -i /Users/eros/Downloads/a1005_u2153302686_dekzqyxb7sevzhtbt1nioryvg_p2_mo23_q128_s233200140.mp3 -y /Users/eros/Downloads/bj2024-output-3.mp4
